Merge pull request #10164 from jingyih/update_CHANGELOG

CHANGELOG: update from #10153

CHANGELOG-3.1.md

@@ -32,6 +32,10 @@ Note that any `etcd_debugging_*` metrics are experimental and subject to change.
 - Add [`etcd_network_snapshot_receive_total_duration_seconds`](https://github.com/etcd-io/etcd/pull/9997) Prometheus metric.
 - Add [`etcd_server_id`](https://github.com/etcd-io/etcd/pull/9998) Prometheus metric.
 
+### client v3
+
+- Fix logic on [release lock key if cancelled](https://github.com/etcd-io/etcd/pull/10153) in clientv3/concurrency package.
+
 
 
 ## [v3.1.19](https://github.com/coreos/etcd/releases/tag/v3.1.19) (2018-07-24)

CHANGELOG-3.2.md

@@ -32,6 +32,10 @@ Note that any `etcd_debugging_*` metrics are experimental and subject to change.
 - Add [`etcd_network_snapshot_receive_total_duration_seconds`](https://github.com/etcd-io/etcd/pull/9997) Prometheus metric.
 - Add [`etcd_server_id`](https://github.com/etcd-io/etcd/pull/9998) Prometheus metric.
 
+### client v3
+
+- Fix logic on [release lock key if cancelled](https://github.com/etcd-io/etcd/pull/10153) in clientv3/concurrency package.
+
 
 
 ## [v3.2.24](https://github.com/coreos/etcd/releases/tag/v3.2.24) (2018-07-24)

CHANGELOG-3.3.md

@@ -31,6 +31,10 @@ Note that any `etcd_debugging_*` metrics are experimental and subject to change.
 - Add [`etcd_network_snapshot_receive_total_duration_seconds`](https://github.com/etcd-io/etcd/pull/9997) Prometheus metric.
 - Add [`etcd_server_id`](https://github.com/etcd-io/etcd/pull/9998) Prometheus metric.
 
+### client v3
+
+- Fix logic on [release lock key if cancelled](https://github.com/etcd-io/etcd/pull/10153) in clientv3/concurrency package.
+
 
 
 ## [v3.3.9](https://github.com/coreos/etcd/releases/tag/v3.3.9) (2018-07-24)

CHANGELOG-3.4.md

@@ -388,6 +388,7 @@ Note: **v3.5 will deprecate `etcd --log-package-levels` flag for `capnslog`**; `
 - Client may choose to send keepalive pings to server using [`PermitWithoutStream`](https://github.com/etcd-io/etcd/pull/10146).
   - By setting `PermitWithoutStream` to true, client can send keepalive pings to server without any active streams(RPCs). In other words, it allows sending keepalive pings with unary or simple RPC calls.
   - `PermitWithoutStream` is set to false by default.
+- Fix logic on [release lock key if cancelled](https://github.com/etcd-io/etcd/pull/10153) in clientv3/concurrency package.
 
 ### etcdctl v3